<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html,body {
            height: 100%;
        }
        .box {
            height: 100%;
            background: url(./images/f1_1.jpg) no-repeat center 0;
            /* 设置cover使图片铺满整个屏幕 */
            background-size: cover;
        }
        .yun {
            position: relative;
            float: left;
            animation: yund 2s linear infinite alternate;
        }
        @keyframes yund {
            100% {
                transform: translate(-20px);
            }
        }
        .yun img:nth-child(1) {
            position: absolute;
            top: 50px;
            left: 650px;
        }
        .yun img:nth-child(2) {
            position: absolute;
            top: 110px;
            left: 1080px;
        }
        .yun img:nth-child(3) {
            position: absolute;
            top: 165px;
            left: 200px;
        }
        .qiqiu {
            position: absolute;
            top: 100px;
            left: 330px;
            animation: qiq 2s linear infinite alternate;
        }
        @keyframes qiq {
            100% {
                transform: translate(0,20px);
            }
        }
        .lu {
            position: absolute;
            top: 120px;
            right: 460px;
        }
        .wenzi {
            position: absolute;
            top: 200px;
            left: 350px;
            animation: wz 0.5s ease forwards;
        }
        @keyframes wz {
            0% {
                transform: scale(0);
            }
            100% {
                transform: scale(1);
            }
        }
        .xm {
            position: absolute;
            bottom: 50px;
        }
        .xm img:nth-child(1) {
            margin-left: 275px;
            animation: zzm 0.8s infinite alternate;
        }
        .xm img:nth-child(2) {
            margin-left: 110px;
            animation: zzm 0.8s 0.2s infinite alternate;
        }
        .xm img:nth-child(3) {
            margin-left: 103px;
            animation: zzm 0.8s 0.4s infinite alternate;

        }
        .xm img:nth-child(4) {
            margin-left: 105px;
            animation: zzm 0.8s 0.6s infinite alternate;
        }

        @keyframes zzm {
        0% {
          transform: translateY(0px);
        }

        100% {
          transform: translateY(-30px);
        }
      }
    </style>
</head>
<body>
    <div class="box">
        <div class="yun">
            <img src="./images/yun1.png" alt="">
            <img src="./images/yun2.png" alt="">
            <img src="./images/yun3.png" alt="">
            <img src="./images/yun4.png" alt="">
        </div>
        <div class="qiqiu">
            <img src="./images/san.png" alt="">
        </div>
        <div class="lu">
            <img src="./images/lu.png" alt="">
        </div>
        <div class="wenzi">
            <img src="./images/font1.png" alt="">
        </div>
        <div class="xm">
            <img src="./images/1.png" alt="">
            <img src="./images/2.png" alt="">
            <img src="./images/3.png" alt="">
            <img src="./images/4.png" alt="">
        </div>
    </div>
</body>
</html>